container #357

	name: container

	on:
	push:
	branches:
	- main
	paths:
	- Dockerfile
	- main.go
	- go*
	- .github/workflows/container.yml
	tags:
	- v*
	pull_request:
	branches:
	- main
	schedule:
	- cron: "0 0 * * *"
	workflow_dispatch:

	env:
	PLATFORMS: linux/amd64,linux/arm64,linux/arm/v7
	GHCR_CONTAINER_IMAGE: ghcr.io/${{ github.repository }}

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Clone repository
	uses: actions/checkout@v2

	- name: Generate container metadata
	id: meta
	uses: crazy-max/ghaction-docker-meta@v1
	with:
	images: ${{ env.GHCR_CONTAINER_IMAGE }}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1

	- name: Set up Buildx
	uses: docker/setup-buildx-action@v1

	- name: Log in to GitHub Container Registry
	if: github.event_name != 'pull_request'
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build and push container image
	uses: docker/build-push-action@v2
	with:
	cache-from: type=registry,ref=${{ env.GHCR_CONTAINER_IMAGE }}:main
	cache-to: type=inline
	platforms: ${{ env.PLATFORMS }}
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}

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